Rattan Chair

Rattan Indonesia

Introduction

Rattan Chair

Rattan Chair

Rattan or rotan in the local tongue of Indonesia refer to the group of plant from Palmae family that grow several meters high. Rattan grows mostly in subtropical region such as Indonesia. Indonesia is the biggest rattan supplier where up to 80% of it comes from Indonesia.

In Indonesia, there are 8 rattan families that consist of 306 types, where 51 types of it have been used by local people. In Southeast Asia itself, there are at least 516 types of rattan including Calamus and Daemonorops, which are the most profitable type.

Rattan that is ready to harvest has certain characteristic where the lowest part of the steam are no longer covered by leaves, some parts of the leaves are already dry up and the thorn has fall down. The harvesting process will be done by cutting the base of rattan as high as 10 to 50 cm, clean it up from the leaves and transport it to the manufacturer place.

Rattan Types and Characteristic
Rattan is a unique plant that has specific characteristic that make it different from other plant and they are:
1.    Anatomy structure of rattan specifically the size of the pore and the thickness of the steam greatly affected the strength and durability of rattan
2.    Chemical structure. Chemically, rattan compositions are holoselulosa (71-76%), selulosa (39-56%), Lignin (18-27%) and silica (0.54-8%). Each composition has its own contribution to rattan characteristic, for example, cellulose affected rattan flexibility while lignin affected rattan strength.
3.    Physical characteristic. It refer to rattan characteristic that can be seen with bare eye and it include:
•    Color. A good quality rattan usually colored green except certain types such as Semambu rattan with its yellowish brown color and Buyung Rattan with is brownish color
•    Shine. The level of shine and dull color of rattan add the value of the rattan itself
•    Smell and taste
•    Weight
•    Elasticity refer to rattan ability to hold up to pressure
•    Diameter. Basically there are two types of rattan diameter, the small one with its diameter less than 18 mm (such as Sega rattan, Pandan Wangi, Sega Air and Pulut Putih), and the big one with its diameter more than 18 mm (such as Mantang, Tiga Juru, Lembang and Tohiti).
•    Silinder
•    Space between joints
•    Joint
•    Silika membrane, refer to the coating layer on the outer skin
•    Scrape
4.    Structure of the rattan. The size, shape and the formation of rattan pore define the structure of the rattan
5.    Mechanical characteristic. It refer to rattan mechanical characteristic or its flexibility such as:
•    Its ability to stand against any pressure that try to destroyed it, break it and bend it
•    Its ability to stand against pressure that try to separate rattan parts
•    Its ability to stand against pressure that try to move it
•    Its ability to stand against attempt that try to cut it down
6.    Durability, refer to rattan ability to stand against any kind of destruction both from nature or chemical ingredients

As it has mentioned before, there are many types of rattan that can be found in Indonesia. In plant categorization, rattan is part of:
Division    : Spermatophyta
Sub Division    : Angiospermae
Class        : Monocotyledonae
Ordo        : Spaceflorae
Family        : Palmae

In Indonesia, there are 8 families of rattan with more than 306 types that spread all around the country from east to west. Among those types, there are 28 profitable types that have been used by local people and they are:
1.    Jernang Besar Rattan (Daemonorops Draco Blume), that can be used for furniture and farmacology purpose
2.    Dahanan Rattan (Korthalsia Flagellaris Miq), used for furniture
3.    Semambu Rattan (Calamus Scipionum Lour), used for furniture base, ski stick, and mountain climber stick
4.    Jermasin Rattan (Calamus Ecojolis Becc), used for furniture
5.    Buyung Rattan (Calamus Optimus Becc), used for furniture
6.    Mantang Rattan (Calamus Ornatus Blume), used for furniture
7.    Dandan Rattan (Calamus Schitolantus Blume), used for weaving material, fish net and rope
8.    Inun Rattan (Calamus Scabridulus Becc), used for weaving material and rope
9.    Batang Rattan (Daemonorops Robustus Warb), used for furniture base
10.    Manau Rattan (Calamus Manan Miq), used for furniture base
11.    Irit Rattan (Calamus Trachycoleus Becc), used for weaving material, mat, antique chair and curtain
12.    Taman Rattan (Calamus Caesius Blume), used for weaving material, mat, antique chair and curtain
13.    Lilin Rattan (Calamus Javensis Blume), used for weaving material, basket and rope
14.    Korod Rattan (Calamus Heteroide Bi), used for weaving material, basket and rope
15.    Balukbuk Rattan (Calamus Burkianus Becc), used for weaving material, basket and rope
16.    Pelat Rattan (Daemonorops Rubra Blume), used for weaving material, basket and rope
17.    Kirtung Rattan (Myrialepis Scortechini Becc), used for handicraft material
18.    Pulut Merah Rattan (Calamus SP), used as high quality handicraft material
19.    Getah Rattan (Daemonorops Angustifolia Mart), used for handicraft material
20.    Umbul Rattan (Calamus Symphysipus Mart), used for handicraft material
21.    Sego Ayer Rattan (Calamus Axillaris Becc), used for weaving material
22.    Saloso Rattan (Calamus SP), used for weaving material and rope
23.    Dago Kancil Rattan (Calamus Conirostris Becc), used for weaving material, basket and rope to use in house building
24.    Tohiti Rattan (Calamus Inops Becc), used for handicraft frame or base, furniture, ship prop and concrete base
25.    Seel Rattan (Daemonorops Melanochaetes Blume), used for rope and the young part of this rattan use as food
26.    Loluo Rattan (Calamus Sp), used for handicraft base
27.    Udang Semut Rattan (Kothalsia Scaphigera Mart), used for rope
28.    Manau Tikus Rattan (Calamus Tumindus Furtado), used for furniture material